20172135040

素因数分解:

$2^7\times 5^1\times {\mathrm{31518961}}^1$

素因数の和:31518980

約数の個数: 32

約数和(自身を含む): 48224011860

約数和(自身を除く): 28051876820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31518961, 63037922, 126075844, 157594805, 252151688, 315189610, 504303376, 630379220, 1008606752, 1260758440, 2017213504, 2521516880, 4034427008, 5043033760, 10086067520, 20172135040]

約数ペア:

[(1, 20172135040), (2, 10086067520), (4, 5043033760), (5, 4034427008), (8, 2521516880), (10, 2017213504), (16, 1260758440), (20, 1008606752), (32, 630379220), (40, 504303376), (64, 315189610), (80, 252151688), (128, 157594805), (160, 126075844), (320, 63037922), (640, 31518961)]